Sunan an-Nasa'i, Hadith 2341 ⓘ
Something similar was narrated from 'Aishah and Hafsah: "There is no fast except for one who intends to fast before dawn." (Daif)
قَالَ الْحَارِثُ بْنُ مِسْكِينٍ قِرَاءَةً عَلَيْهِ وَأَنَا أَسْمَعُ، عَنِ ابْنِ الْقَاسِمِ، قَالَ حَدَّثَنِي مَالِكٌ، عَنِ ابْنِ شِهَابٍ، عَنْ عَائِشَةَ، وَحَفْصَةَ، مِثْلَهُ لاَ يَصُومُ إِلاَّ مَنْ أَجْمَعَ الصِّيَامَ قَبْلَ الْفَجْرِ .
also referenced under: Book 22, Hadith 252 (In-Book) & Volume 3, Book 22, Hadith 2343 (DarusSalam)